Fix --skip-crds not working with chartify (#1774)

Follow-up for #1771
Ref #1770
Ref https://github.com/roboll/helmfile/pull/1771#issuecomment-817399338

pkg/app/app.go

@@ -166,9 +166,12 @@ func (a *App) Diff(c DiffConfigProvider) error {
 
 		var errs []error
 
+		includeCRDs := !c.SkipCRDs()
+
 		prepErr := run.withPreparedCharts("diff", state.ChartPrepareOptions{
-			SkipRepos: c.SkipDeps(),
+			SkipRepos:   c.SkipDeps(),
-			SkipDeps:  c.SkipDeps(),
+			SkipDeps:    c.SkipDeps(),
+			IncludeCRDs: &includeCRDs,
 		}, func() {
 			msg, matched, affected, errs = a.diff(run, c)
 		})
@@ -305,11 +308,14 @@ func (a *App) Fetch(c FetchConfigProvider) error {
 
 func (a *App) Sync(c SyncConfigProvider) error {
 	return a.ForEachState(func(run *Run) (ok bool, errs []error) {
+		includeCRDs := !c.SkipCRDs()
+
 		prepErr := run.withPreparedCharts("sync", state.ChartPrepareOptions{
 			SkipRepos:   c.SkipDeps(),
 			SkipDeps:    c.SkipDeps(),
 			Wait:        c.Wait(),
 			WaitForJobs: c.WaitForJobs(),
+			IncludeCRDs: &includeCRDs,
 		}, func() {
 			ok, errs = a.sync(run, c)
 		})
@@ -332,11 +338,14 @@ func (a *App) Apply(c ApplyConfigProvider) error {
 	opts = append(opts, SetRetainValuesFiles(c.RetainValuesFiles() || c.SkipCleanup()))
 
 	err := a.ForEachState(func(run *Run) (ok bool, errs []error) {
+		includeCRDs := !c.SkipCRDs()
+
 		prepErr := run.withPreparedCharts("apply", state.ChartPrepareOptions{
 			SkipRepos:   c.SkipDeps(),
 			SkipDeps:    c.SkipDeps(),
 			Wait:        c.Wait(),
 			WaitForJobs: c.WaitForJobs(),
+			IncludeCRDs: &includeCRDs,
 		}, func() {
 			matched, updated, es := a.apply(run, c)
 

pkg/app/config.go

@@ -83,6 +83,7 @@ type DiffConfigProvider interface {
 
 	Values() []string
 	Set() []string
+	SkipCRDs() bool
 	SkipDeps() bool
 
 	IncludeTests() bool

pkg/app/diff_test.go

@@ -3,15 +3,16 @@ package app
 import (
 	"bufio"
 	"bytes"
+	"io"
+	"path/filepath"
+	"sync"
+	"testing"
+
 	"github.com/roboll/helmfile/pkg/exectest"
 	"github.com/roboll/helmfile/pkg/helmexec"
 	"github.com/roboll/helmfile/pkg/testhelper"
 	"github.com/variantdev/vals"
 	"go.uber.org/zap"
-	"io"
-	"path/filepath"
-	"sync"
-	"testing"
 )
 
 type diffConfig struct {
@@ -20,6 +21,7 @@ type diffConfig struct {
 	retainValuesFiles bool
 	set               []string
 	validate          bool
+	skipCRDs          bool
 	skipDeps          bool
 	includeTests      bool
 	suppressSecrets   bool
@@ -49,6 +51,10 @@ func (a diffConfig) Validate() bool {
 	return a.validate
 }
 
+func (a diffConfig) SkipCRDs() bool {
+	return a.skipCRDs
+}
+
 func (a diffConfig) SkipDeps() bool {
 	return a.skipDeps
 }